408811520

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:160

約数の個数: 192

約数和(自身を含む): 1097984160

約数和(自身を除く): 689172640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 83, 104, 128, 130, 148, 160, 166, 185, 208, 256, 260, 296, 320, 332, 370, 415, 416, 481, 512, 520, 592, 640, 664, 740, 830, 832, 962, 1024, 1040, 1079, 1184, 1280, 1328, 1480, 1660, 1664, 1924, 2048, 2080, 2158, 2368, 2405, 2560, 2656, 2960, 3071, 3320, 3328, 3848, 4160, 4316, 4736, 4810, 5120, 5312, 5395, 5920, 6142, 6640, 6656, 7696, 8320, 8632, 9472, 9620, 10240, 10624, 10790, 11840, 12284, 13280, 13312, 15355, 15392, 16640, 17264, 18944, 19240, 21248, 21580, 23680, 24568, 26560, 26624, 30710, 30784, 33280, 34528, 37888, 38480, 39923, 42496, 43160, 47360, 49136, 53120, 61420, 61568, 66560, 69056, 75776, 76960, 79846, 84992, 86320, 94720, 98272, 106240, 122840, 123136, 133120, 138112, 153920, 159692, 169984, 172640, 189440, 196544, 199615, 212480, 245680, 246272, 276224, 307840, 319384, 345280, 378880, 393088, 399230, 424960, 491360, 492544, 552448, 615680, 638768, 690560, 786176, 798460, 849920, 982720, 985088, 1104896, 1231360, 1277536, 1381120, 1572352, 1596920, 1965440, 2209792, 2462720, 2555072, 2762240, 3144704, 3193840, 3930880, 4925440, 5110144, 5524480, 6289408, 6387680, 7861760, 10220288, 11048960, 12775360, 15723520, 20440576, 25550720, 31447040, 40881152, 51101440, 81762304, 102202880, 204405760, 408811520]

約数ペア:

[(1, 408811520), (2, 204405760), (4, 102202880), (5, 81762304), (8, 51101440), (10, 40881152), (13, 31447040), (16, 25550720), (20, 20440576), (26, 15723520), (32, 12775360), (37, 11048960), (40, 10220288), (52, 7861760), (64, 6387680), (65, 6289408), (74, 5524480), (80, 5110144), (83, 4925440), (104, 3930880), (128, 3193840), (130, 3144704), (148, 2762240), (160, 2555072), (166, 2462720), (185, 2209792), (208, 1965440), (256, 1596920), (260, 1572352), (296, 1381120), (320, 1277536), (332, 1231360), (370, 1104896), (415, 985088), (416, 982720), (481, 849920), (512, 798460), (520, 786176), (592, 690560), (640, 638768), (664, 615680), (740, 552448), (830, 492544), (832, 491360), (962, 424960), (1024, 399230), (1040, 393088), (1079, 378880), (1184, 345280), (1280, 319384), (1328, 307840), (1480, 276224), (1660, 246272), (1664, 245680), (1924, 212480), (2048, 199615), (2080, 196544), (2158, 189440), (2368, 172640), (2405, 169984), (2560, 159692), (2656, 153920), (2960, 138112), (3071, 133120), (3320, 123136), (3328, 122840), (3848, 106240), (4160, 98272), (4316, 94720), (4736, 86320), (4810, 84992), (5120, 79846), (5312, 76960), (5395, 75776), (5920, 69056), (6142, 66560), (6640, 61568), (6656, 61420), (7696, 53120), (8320, 49136), (8632, 47360), (9472, 43160), (9620, 42496), (10240, 39923), (10624, 38480), (10790, 37888), (11840, 34528), (12284, 33280), (13280, 30784), (13312, 30710), (15355, 26624), (15392, 26560), (16640, 24568), (17264, 23680), (18944, 21580), (19240, 21248)]